Which word equation represents magnesium burning in oxygen?
magnesium + oxygen →\rightarrow→ magnesium oxide
magnesium oxide →\rightarrow→ magnesium + oxygen
magnesium + water →\rightarrow→ magnesium oxide
magnesium + oxygen →\rightarrow→ magnesium hydroxide
230 exam-style questions on Edexcel GCSE Chemistry 1.1 Formulae, equations and hazards, covering 1.1.1 Formulae, word and balanced equations, 1.1.2 Balanced ionic equations, and 1.1.3 Hazard symbols and risk in practical work. Each one has a worked solution and a mark scheme showing where the marks go.